CAN Explorer not transmitting messages

Question

Chandni S Vijay 2023-6-16

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https://ww2.mathworks.cn/matlabcentral/answers/1984119-can-explorer-not-transmitting-messages

回答： Harimurali 2024-3-20

I have loaded the Matlab provided sample .dbc files to CAN explorer and did the necessary settings for signals. However, when I click run, messages can't be seen in the table nor it is seen in the scope. I have tried with different .dbc files but same issue is seen. Kindly provide a solution.

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Gabriel 2023-6-16

Are you running the script to generate CAN Messages?

Replay Pre-Recorded CAN Data

Replay the CAN data onto MathWorks Virtual 1 Channel 2 for CAN Explorer to receive on MathWorks Virtual 1 Channel 1 in the same MATLAB instance. To start the data replay, execute the script replayCANData.m. You can also execute the script sequentially multiple times to generate CAN data beyond 60 seconds for additional experiments.

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Answer 1

Harimurali 2024-3-20

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Hi Chandni,

I understand that you have loaded the DBC file to the CAN Explorer, configured the signal table, configured the signal scopes and tried to run the explorer. The issue here is that there is no CAN data for the explorer to visualize, due to which the message table, signal table and the signal scopes are empty.

CAN data needs to be transmitted so that the CAN Explorer can receive the data and then the data will appear in the message table, signal table and the signal scopes.

Start monitoring in the explorer and run the "replayCANData" MATLAB script mentioned in the given documentation: https://www.mathworks.com/help/releases/R2023b/vnt/ug/use-can-explorer-data-reception-visualization.html